NGWS SDK Documentation  

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Compiler Error C3107

'parameter' : already seen this property argument

Parameters to the property attribute are not repeatable.

For example, in the following code the parameter put appears twice on the property attribute.

#pragma keyword("interface", on)

struct IUnknown {
};
                        
interface IMyIF {
   [ property(put=0, put=0) ]
   int data;
};